Comments (4)
same here, it's slow insert also one row as well..这里也是一样,插入一行也很慢。
One idea I recently tried was to combine several insert statements into one, executed using execute instead of executemany
Can you post an example how you call multiple statements?
This operation is only for insert statements
sql = "INSERT INTO table_a (field1, field2, ..) VALUES {}"
values_str = create_insert_values(tlis_schp)
conn = db_pool.connection()
cursor = conn.cursor()
cursor.execute(sql, values_str or ())
def create_insert_values(data):
values_list = []
for record in data:
values = []
for item in record:
if isinstance(item, str):
escaped_item = item.replace("'", "''")
values.append(f"'{escaped_item}'")
elif item is None or (isinstance(item, float) and math.isnan(item)):
values.append("NULL")
elif isinstance(item, datetime.datetime):
values.append(f"'{item}'")
elif isinstance(item, decimal.Decimal):
values.append(f"'{item}'")
elif isinstance(item, decimal.Decimal):
values.append(f"'{item}'")
else:
values.append(str(item))
values_str = f"({', '.join(values)})"
values_list.append(values_str)
return ', '.join(values_list)
This is a bit more cumbersome, but much faster than using executemany directly
from aiomysql.
same here, it's slow insert also one row as well..
from aiomysql.
same here, it's slow insert also one row as well..这里也是一样,插入一行也很慢。
One idea I recently tried was to combine several insert statements into one, executed using execute instead of executemany
from aiomysql.
same here, it's slow insert also one row as well..这里也是一样,插入一行也很慢。
One idea I recently tried was to combine several insert statements into one, executed using execute instead of executemany
Can you post an example how you call multiple statements?
from aiomysql.
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from aiomysql.